.content{
    cursor: pointer;
    position: relative;
    width:1140px;height:641.25px;
    margin-left: auto;margin-right: auto;
}
#list img{
    width:1140px;
    height:641.25px;
}
#list{
    position: absolute;
    width:1140px;
    height:641.25px;
}
#list img,#prev,#next,#btns{
    position: absolute;
}
#list img:not(:first-child){
    display: none;
}
#prev,#next{
    cursor: pointer;
    top:50%;transform: translateY(-50%);
    z-index: 100;width:40px;height:70px;
    background:url("../images/icon-slides.png");
    border:none;
}
#prev{
    background-position-x:-86px
}
#prev:hover{
    background-position: 0;
}
#next:hover{background-position-x: -43px}
#next{
    right:0;
    background-position-x:-125px;
}
#btns{z-index: 101;
    transform: translateX(-50%);
    bottom: 20px;left:50%;}
#btns .current{
    background:orangered;
}    
#btns>span{
    cursor: pointer;
    width:20px;
    height:20px;
    display: inline-block;
    border-radius: 50%;
    border:1px solid #fff;
    background-color:rgba(44,44,44,.3);
}